Lot Coverage Limits: Ewa Gentry vs Kailua
How do lot coverage limits rules compare between Ewa Gentry, HI and Kailua, HI?
Ewa Gentry and Kailua have similar restriction levels.
Ewa Gentry, HI
Honolulu County
ROH Sec. 21-3.70-1 imposes impervious-surface caps on Ewa Gentry homes, including a 75 percent impervious limit for dwellings permitted after May 1, 2019.
View full Ewa Gentry rules →Kailua, HI
Honolulu County
Kailua residential lots follow ROH Sec. 21-3.70-1, which limits impervious surface coverage. Homes permitted after May 1, 2019 are capped at 75 percent impervious coverage to reduce runoff and protect windward watersheds.
View full Kailua rules →Key Facts Comparison
| Fact | Ewa Gentry | Kailua |
|---|---|---|
| - | - |
Highlighted rows indicate differences between cities.
Ewa Gentry FAQ
Does a grass paver driveway count as impervious?
Partially pervious surfaces may reduce the counted impervious area, but classification is determined by DPP during plan review.
Do pools count toward lot coverage?
Pool water surfaces and surrounding decks typically count toward impervious coverage in Ewa Gentry.
Kailua FAQ
Does a gravel driveway count against coverage?
Gravel is generally treated as pervious, helping stay under the 75 percent cap, though compacted surfaces may count differently.
What if my existing home already exceeds 75 percent?
Older lots may be grandfathered, but any major expansion or rebuild will typically require compliance with current caps.
Compare other topics
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